Description: 【Wide DIY Application】: Great for making custom buttons, badges, mirror and bottle openers. This blank button making supplies set is ideal for DIY enthusiasts to create personalized items 【Premium Material】: Made of acrylic material, diy badges making supplies creates professional grade effects for all your creative projects 【Full set】: Contains 100 bottom covers, 100 polyester films and 100 top covers, giving you everything you need to start your badges making 【Badges Machine Compatible】: Designed for use with badges machines,blank button badges parts can seamlessly produce professional looking badges and buttons 【Standard Size】:Button pin badges is suitable for standard sized badges projects and ensures compatibility with most badges making tools. Please measure the size before purchasing Specification: Material: Acrylic   Size Chart:Diameter:4.4cm/1.73inch Package Includes: 100 Lower Covers 100 Mylar Films 100 Upper Covers Note: Please allow slightly errors due to manual measurement and different monitors.